Researchers Find That Alligator Fat Could Be a New Source of Biodiesel. Alligator farming is alive and well in the United States and elsewhere but traditionally it's all about the animals' skin and meat. Now it seems that there may also be a use for the 15 million pounds of alligator fat that are currently being deposited in land fills every year: bio diesel.
posted by Hairy Lobster on Aug 18, 2011 - 58 comments

Biofuels worsen global warming, according to two studies published in Science last week. Current US biofuel policies would double carbon emissions over the gasoline alternative. More details: ScienceExpress fulltext pdf of study #1, powerpoint summary of study #1, abstract of study #2, summary of both, policy recommendations pdf (via: 1, 2). [more inside]
posted by salvia on Feb 10, 2008 - 45 comments

Will algae defeat global warming? "Fed a generous helping of CO2-laden emissions, courtesy of the power plant's exhaust stack, the algae grow quickly... The cleansed exhaust bubbles skyward, but with 40 percent less CO2... The algae is harvested daily and a combustible vegetable oil is squeezed out: biodiesel".
posted by reklaw on Apr 14, 2006 - 55 comments

Your Mr. Fusion is ready. Sort of.
posted by loquacious on Sep 14, 2005 - 13 comments

Teenager runs his VW Jetta with used canola oil.
posted by Mr. skullhead on Jul 20, 2000 - 5 comments